Fernando,

the "IF" function is called

CASE
WHEN condition THEN result
      [WHEN ...]
      [ELSE result]
 END

read about it at
http://www.postgresql.org/docs/8.3/static/functions-conditional.html

best wishes,

Harald


On Tue, May 13, 2008 at 5:52 PM, Fernando <[EMAIL PROTECTED]> wrote:
>
>  Is it possible to do this?
>
>  SELECT IF(COUNT(colname) > 0, TRUE, FALSE) AS colname FROM table;
>
>  What I want is to return a boolean, but when I tried SELECT
> COUNT(colname)::BOOLEAN FROM table; it says it cannot cast bigint to
> boolean.
>
>  Is there such IF function or do I have to create my own.
>
>  Thank you.
>



-- 
GHUM Harald Massa
persuadere et programmare
Harald Armin Massa
Spielberger Straße 49
70435 Stuttgart
0173/9409607
fx 01212-5-13695179
-
EuroPython 2008 will take place in Vilnius, Lithuania - Stay tuned!

-- 
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

Reply via email to